Quote:
Originally Posted by fastflyer
Hi, has anyone tried the Vortex generators or airtabs as if they were a diffuser?
In theory, they should push the air upwards, enhancing the effect of the diffuser, not?
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If the diffuser is designed for low drag,it will not have any separated flow for a VG to 'solve.'
The 'long' diffuser will be 2.8-degrees
The 'short' diffuser will be 4-degrees
That would be the end of story if designing for low drag.
VGs would only be a drag-inducing excrescence.
For a 'trackable' car,you'd want to follow Ferrari,which has 'valves' to control the diffuser as a drag reducing device.I think Freebeard is touching on that.